What Is the Model Context Protocol (MCP)? How AI Models Share Information
Model Context Protocol (MCP) is an open standard developed by Anthropic that defines how AI models share structured context - including messages, observations and actions - in a predictable and machine-readable way. Released in early 2024, MCP has been described as an “API for AI models”. However, describing it as just an API underplays its fundamental purpose: to provide a common, structured language for inter-model communication, which goes beyond a simple API call and introduces new considerations for systems design and governance. ...